DE102004047682A1 - LED array - Google Patents
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- DE102004047682A1 DE102004047682A1 DE102004047682A DE102004047682A DE102004047682A1 DE 102004047682 A1 DE102004047682 A1 DE 102004047682A1 DE 102004047682 A DE102004047682 A DE 102004047682A DE 102004047682 A DE102004047682 A DE 102004047682A DE 102004047682 A1 DE102004047682 A1 DE 102004047682A1
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- led array
- led
- temperature sensor
- led chips
- array according
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0017—Devices integrating an element dedicated to another function
- B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
- H05B45/18—Controlling the intensity of the light using temperature feedback
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/28—Controlling the colour of the light using temperature feedback
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Led Device Packages (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
In einem LED-Array mit mindestens zwei LED-Chips (2) ist ein Temperatursensor (3) enthalten, und es ist eine Regelung des Betriebsstroms der LED-Chips (2) in Abhängigkeit von der von dem Temperatursensor (3) erfassten Temperatur vorgesehen. Dadurch wird eine lange Betriebszeit der LED-Chips (2) mit einem hohen Betriebsstrom ermöglicht, wobei die Gefahr einer thermischen Überlastung vermindert wird.In an LED array with at least two LED chips (2), a temperature sensor (3) is included, and it is provided a control of the operating current of the LED chips (2) in dependence on the temperature detected by the temperature sensor (3). This allows a long operating time of the LED chips (2) with a high operating current, whereby the risk of thermal overload is reduced.
Description
Die Erfindung betrifft ein LED-Array nach dem Oberbegriff des Patentanspruchs 1.The The invention relates to an LED array according to the preamble of the claim 1.
LED-Arrays zeichnen sich durch eine hohe Effizienz, eine hohe Lebensdauer, eine schnelle Ansprechzeit und eine vergleichsweise geringe Empfindlichkeit gegen Stöße und Vibrationen aus. LED-Arrays werden aus diesem Grund immer häufiger in Beleuchtungseinrichtungen eingesetzt, bei denen bisher oftmals Glühlampen verwendet wurden, insbesondere in Kfz-Scheinwerfern, Leselampen oder Taschenlampen.LED arrays are characterized by a high efficiency, a long service life, a fast response time and a comparatively low sensitivity against shocks and vibrations out. For this reason, LED arrays are becoming increasingly common in lighting devices used, in which incandescent lamps were often used, in particular in vehicle headlights, Reading lamps or flashlights.
Bei zu derartigen Beleuchtungszwecken eingesetzten LED-Arrays werden die LED-Chips in der Regel mit sehr hohen Betriebsströmen betrieben, um eine möglichst hohe Leuchtdichte zu erzielen. Damit ist jedoch eine hohe Wärmeentwicklung verbunden. Bei kompakten Leuchtdioden-Beleuchtungseinrichtungen sind oftmals auch strahlformende optische Elemente integriert, die sehr nah an den LED-Chips oder sogar auf den LED-Chips angeordnet sind. Die Wärmeabstrahlung der Chips wird dadurch zusätzlich erschwert.at be used for such lighting purposes LED arrays the LED chips are usually operated with very high operating currents, one as possible to achieve high luminance. However, this is a high heat development connected. For compact light-emitting diode illumination devices Often also beam-shaping optical elements are integrated, the very close to the LED chips or even on the LED chips are arranged. The heat radiation The chips will be additional difficult.
Der Erfindung liegt die Aufgabe zugrunde, ein LED-Array anzugeben, bei dem die Gefahr einer thermischen Überlastung der LED-Chips verringert ist.Of the Invention is based on the object of specifying an LED array at the risk of thermal overload of the LED chips is reduced.
Diese Aufgabe wird durch ein LED-Array mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche.These The object is achieved by an LED array having the features of the patent claim 1 solved. Advantageous embodiments and further developments of the invention are Subject of the dependent Claims.
Ein LED-Array mit mindestens zwei LED-Chips enthält gemäß der Erfindung einen Temperatursensor, und es ist eine Regelung eines Betriebsstroms der LED-Chips in Abhängigkeit von der von dem Temperatursensor erfassten Temperatur vorgesehen.One LED array with at least two LED chips according to the invention contains a temperature sensor, and it is a control of an operating current of the LED chips depending provided by the temperature detected by the temperature sensor.
Durch die temperaturabhängige Regelung des Betriebsstroms der LED-Chips des LED-Arrays kann eine Beeinträchtigung der Funktion oder sogar ein Ausfall der LED-Chips durch thermische Überlastung vermieden werden. Beispielsweise kann die von dem Temperatursensor erfasste Temperatur von einer Auswerteschaltung, die bevorzugt außerhalb des LED-Arrays angeordnet ist, ausgewertet werden, und der Betriebsstrom der LED-Chips vermindert werden, sobald die von dem Temperatursensor erfasste Temperatur einen kritischen Wert erreicht. Auf diese Weise können die LED-Chips vorteilhaft über lange Betriebszeiten im Grenzbereich ihrer thermischen Belastbarkeit betrieben werden.By the temperature-dependent Control of the operating current of the LED chips of the LED array can be a impairment the function or even a failure of the LED chips due to thermal overload be avoided. For example, that of the temperature sensor detected temperature of an evaluation circuit, preferably outside the LED array is arranged to be evaluated, and the operating current The LED chips are diminished as soon as those from the temperature sensor detected temperature reaches a critical value. In this way can the LED chips advantageous over long operating times in the limit of their thermal capacity operate.
Bei einem LED-Array, das eine Vielzahl von LED-Chips enthält, ist die Erfindung besonders vorteilhaft anwendbar, da mit der Anzahl der LED-Chips auch die Wärmeentwicklung steigt. Besonders bevorzugt enthält ein LED-Array gemäß der Erfindung mindestens vier LED-Chips.at an LED array containing a plurality of LED chips the invention is particularly advantageous applicable because with the number the LED chips also the heat development increases. Particularly preferably contains an LED array according to the invention at least four LED chips.
Um eine möglichst gute Übereinstimmung zwischen der von dem Temperatursensor erfassten Temperatur und der Temperatur der strahlungsemittierenden aktiven Schichten der LED-Chips zu erreichen, ist es vorteilhaft, wenn der Temperatursensor einen möglichst geringen Abstand zu mindestens einem der LED-Chips aufweist. Bevorzugt beträgt der Abstand zwischen dem Temperatursensor und mindestens einem LED-Chip des LED-Arrays 5 mm oder weniger, besonders bevorzugt 3 mm oder weniger.Around one possible good agreement between the temperature detected by the temperature sensor and the temperature to reach the radiation-emitting active layers of the LED chips, it is advantageous if the temperature sensor as possible has a small distance to at least one of the LED chips. Preferably, the distance is between the temperature sensor and at least one LED chip of the LED arrays 5 mm or less, more preferably 3 mm or less.
Weiterhin ist es für die Temperaturmessung der LED-Chips voretlhaft, wenn die einzelnen LED-Chips des LED-Arrays keine LED-Gehäuse aufweisen.Farther is it for The temperature measurement of the LED chips is preselected when the individual LED chips of the LED array no LED housing exhibit.
Das LED-Array umfasst bevorzugt einen Chipträger, auf dem die LED-Chips angeordnet sind, und der Temperatursensor ist auf dem Chipträger befestigt. Alternativ kann ein Chipträger, auf dem die LED-Chips befestigt sind, auf einen Trägerkörper montiert sein, und der Temperatursensor auf dem Trägerkörper befestigt sein. Der Trägerkörper und der Chipträger sind dabei vorzugsweise miteinander verklebt. Der Temperatursensor wird bevorzugt auf dem Chipträger oder auf dem Trägerkörper durch Löten oder Kleben befestigt. Damit wird eine genau definierte Temperaturmessung sichergestellt, insbesondere auch in Umgebungen, in denen das LED-Array Stößen oder Vibrationen ausgesetzt ist, beispielsweise bei der Verwendung in einem Kraftfahrzeug.The LED array preferably comprises a chip carrier on which the LED chips are arranged, and the temperature sensor is mounted on the chip carrier. Alternatively, a chip carrier, on which the LED chips are mounted, mounted on a carrier body be, and the temperature sensor to be mounted on the carrier body. The carrier body and the chip carrier are preferably glued together. The temperature sensor is preferred on the chip carrier or on the support body through Soldering or Glued attached. This is a well-defined temperature measurement ensured, especially in environments where the LED array bumps or Vibration is exposed, for example, when used in a motor vehicle.
Besonders vorteilhaft ist die Erfindung für kompakte LED-Arrays, bei denen der Chipträger und/oder der Trägerkörper eine Grundfläche von 300 mm2 oder weniger aufweisen. Der Chipträger weist vorzugsweise eine Höhe von weniger als 1 mm, beispielsweise etwa 0,5 mm bis 0,7 mm, und der Trägerkörper eine Höhe von etwa 1 mm bis 1,5 mm auf.The invention is particularly advantageous for compact LED arrays in which the chip carrier and / or the carrier body have a base area of 300 mm 2 or less. The chip carrier preferably has a height of less than 1 mm, for example about 0.5 mm to 0.7 mm, and the carrier body has a height of about 1 mm to 1.5 mm.
Der Temperatursensor ist vorzugsweise ein Thermoelement. Weiterhin kann der Temperatursensor auch ein temperaturabhängiger Widerstand sein, der einen negativen Temperaturkoeffizienten (NTC-Widerstand) oder einen positiven Temperaturkoeffizienten (PTC-Widerstand) aufweisen kann. Alternativ kann auch ein Halbleiterbauelement, beispielsweise ein Transistor oder eine Diode, als Temperatursensor verwendet werden, indem eine temperaturabhängige elektrische Eigenschaft eines derar tigen Halbleiterbauelements von einer Auswerteschaltung erfasst wird.The temperature sensor is preferably a thermocouple. Furthermore, the temperature sensor may also be a temperature-dependent resistor, which may have a negative temperature coefficient (NTC resistor) or a positive temperature coefficient (PTC resistor). Alternatively, a semiconductor device, such as a transistor or a diode, may also be used as the temperature sensor by providing a temperature temperature-dependent electrical property of a derar term semiconductor device is detected by an evaluation circuit.
Besonders vorteilhaft ist die Erfindung für LED-Arrays, bei denen aufgrund einer hohen Verlustleistung der LED-Chips die Wärmeentwicklung sehr hoch ist, und, beispielsweise durch eine hohe Umgebungstemperatur oder die Bauform des LED-Arrays bedingt, die Wärmeabfuhr erschwert ist. Insbesondere wird die Wärmeabfuhr bei LED-Arrays oftmals durch strahlformende optische Elemente, die sehr nah an den LED-Chips oder sogar auf den LED-Chips angeordnet sind, erschwert. Beispielsweise kann als strahlformendes optisches Element ein optischer Konzentrator vorgesehen sein, mit dem die Abstrahlcharakteristik des LED-Arrays vorteilhaft beeinflusst wird.Especially the invention is advantageous for LED arrays, where due to a high power dissipation of the LED chips the heat generation is very high, and, for example, by a high ambient temperature or the design of the LED array conditionally, the heat dissipation is difficult. Especially is the heat dissipation in LED arrays often by beam-shaping optical elements, the very close to the LED chips or even arranged on the LED chips are, difficult. For example, can be used as beam-shaping optical Element be provided with an optical concentrator, with which the Radiation characteristic of the LED array is favorably influenced.
Der optische Konzentrator ist bevorzugt ein CPC-, CEC- oder CHC-artiger optischer Konzentrator, womit ein Konzentrator gemeint ist, dessen reflektierende Seitenwände zumindest teilweise und/oder zumindest weitestgehend die Form eines zusammengesetzten parabolischen Konzentrators (compound parabolic concentrator, CPC), eines zusammengesetzten elliptischen Konzentrators (compound elliptic concentrator, CEC) und/oder eines zusammengesetzten hyperbolischen Konzentrators (compound hyperbolic concentrator, CHC) aufweisen.Of the optical concentrator is preferably a CPC, CEC or CHC type optical concentrator, by which is meant a concentrator whose reflective sidewalls at least partially and / or at least largely in the form of a compound parabolic concentrator (compound parabolic concentrator, CPC), of a composite elliptical concentrator (compound elliptic concentrator, CEC) and / or a compound hyperbolic Concentrator (compound hyperbolic concentrator, CHC) have.
Ein LED-Array gemäß der Erfindung kann beispielsweise ein Teil einer Beleuchtungseinrichtung, insbesondere ein Teil eines KFZ-Scheinwerfers, sein. Da LED-Arrays in Beleuchtungseinrichtungen oftmals einer hohen Umgebungstemperatur ausgesetzt sind, die beispielsweise in einem KFZ-Scheinwerfer etwa 125° betragen kann, ist die Erfindung für derartige Beleuchtungseinrichtungen besonders vorteilhaft.One LED array according to the invention For example, a part of a lighting device, in particular a part of a car headlamp, his. Because LED arrays in lighting devices often exposed to a high ambient temperature, for example may be about 125 ° in a motor vehicle headlamp, the invention for such Lighting devices particularly advantageous.
Die
Erfindung wird im Folgenden anhand von drei Ausführungsbeispielen im Zusammenhang
mit den
Es zeigen:It demonstrate:
Auf
dem in der
Bei
dem in der
Auch
bei diesem Ausführungsbeispiel
beträgt
der Abstand zwischen dem Temperatursensor
Bei
dem in
Die
Steuereinheit
Den
LED-Chips
Das
strahlformende optische Element
Je
nach gewünschter
Abstrahlcharakteristik des LED-Arrays können zusätzlich auch noch weitere strahlformende
optische Elemente vorgesehen sein. Beispielsweise kann auf das Gehäuse
Die Erfindung ist nicht durch die Beschreibung anhand der Ausführungsbeispiele beschränkt. Vielmehr umfasst die Erfindung jedes neue Merkmal sowie jede Kombination von Merkmalen, was insbesondere jede Kombination von Merkmalen in den Patentansprüchen beinhaltet, auch wenn dieses Merkmal oder diese Kombination selbst nicht explizit in den Patentansprüchen oder Ausführungsbeispielen angegeben ist.The The invention is not by the description based on the embodiments limited. Much more For example, the invention includes every novel feature as well as every combination of features, in particular any combination of features in the claims includes, even if this feature or this combination itself not explicitly stated in the patent claims or exemplary embodiments is.
Claims (14)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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DE102004047682A DE102004047682A1 (en) | 2004-09-30 | 2004-09-30 | LED array |
PCT/DE2005/001582 WO2006034668A2 (en) | 2004-09-30 | 2005-09-09 | Led array with temperature sensor |
JP2007533860A JP2008515207A (en) | 2004-09-30 | 2005-09-09 | LED array |
CN2009101178532A CN101510546B (en) | 2004-09-30 | 2005-09-09 | Led-array with temperature sensor |
US11/575,899 US20080061717A1 (en) | 2004-09-30 | 2005-09-09 | Led Array |
EP05789566A EP1800341A2 (en) | 2004-09-30 | 2005-09-09 | Led-array |
KR1020077009467A KR20070053818A (en) | 2004-09-30 | 2005-09-09 | Led array |
CNB200580032859XA CN100474583C (en) | 2004-09-30 | 2005-09-09 | LED array with temperature sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004047682A DE102004047682A1 (en) | 2004-09-30 | 2004-09-30 | LED array |
Publications (1)
Publication Number | Publication Date |
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DE102004047682A1 true DE102004047682A1 (en) | 2006-04-06 |
Family
ID=35457532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004047682A Ceased DE102004047682A1 (en) | 2004-09-30 | 2004-09-30 | LED array |
Country Status (7)
Country | Link |
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US (1) | US20080061717A1 (en) |
EP (1) | EP1800341A2 (en) |
JP (1) | JP2008515207A (en) |
KR (1) | KR20070053818A (en) |
CN (2) | CN101510546B (en) |
DE (1) | DE102004047682A1 (en) |
WO (1) | WO2006034668A2 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2066149A2 (en) | 2007-11-27 | 2009-06-03 | Stefan Ruppel | Flat LED lights with heat-dispersing board, in particular for furniture |
WO2009077932A1 (en) * | 2007-12-17 | 2009-06-25 | Koninklijke Philips Electronics N.V. | Light emitting module and thermal protection method |
DE102007060767A1 (en) * | 2007-12-17 | 2009-06-25 | Sick Ag | Optical element e.g. positive lens, for use in opto-electronic sensor arrangement on e.g. flexprint, is provided with focal length of less than three millimeter and arranged before light emitter and/or light receptor |
EP2107295A2 (en) | 2008-04-03 | 2009-10-07 | Steinel GmbH | Light device with LEDs |
DE102008057347A1 (en) * | 2008-11-14 | 2010-05-20 | Osram Opto Semiconductors Gmbh | Optoelectronic device |
EP2103483A3 (en) * | 2008-03-13 | 2010-07-07 | Koito Manufacturing Co., Ltd. | Vehicular headlamp |
WO2010121612A2 (en) | 2009-04-23 | 2010-10-28 | Lanz Ruediger | Motor vehicle front light having light-emitting diodes (leds) |
NL2005418C2 (en) * | 2010-09-29 | 2012-04-02 | Europ Intelligence B V | Intrinsically safe led display. |
WO2013060868A1 (en) * | 2011-10-27 | 2013-05-02 | Epcos Ag | Led device with recessed components |
WO2013179075A1 (en) * | 2012-05-30 | 2013-12-05 | Elis Mantovani | Adaptive device for regulating the electric energy delivered on an actuator |
US8998453B2 (en) | 2009-05-26 | 2015-04-07 | Instrument Systems Optische Meβtechnik GmbH | Calibration light source |
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Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
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US9326346B2 (en) | 2009-01-13 | 2016-04-26 | Terralux, Inc. | Method and device for remote sensing and control of LED lights |
US8358085B2 (en) | 2009-01-13 | 2013-01-22 | Terralux, Inc. | Method and device for remote sensing and control of LED lights |
US9668306B2 (en) | 2009-11-17 | 2017-05-30 | Terralux, Inc. | LED thermal management |
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US9548286B2 (en) | 2010-08-09 | 2017-01-17 | Micron Technology, Inc. | Solid state lights with thermal control elements |
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JP2013543216A (en) | 2010-09-16 | 2013-11-28 | テララックス, インコーポレイテッド | Communicating with lighting unit via power bus |
US9596738B2 (en) | 2010-09-16 | 2017-03-14 | Terralux, Inc. | Communication with lighting units over a power bus |
USRE49454E1 (en) | 2010-09-30 | 2023-03-07 | Lutron Technology Company Llc | Lighting control system |
US9386668B2 (en) | 2010-09-30 | 2016-07-05 | Ketra, Inc. | Lighting control system |
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US8644699B2 (en) * | 2011-02-17 | 2014-02-04 | Nokia Corporation | Method and apparatus for light emitting diode control |
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CN102917516B (en) * | 2012-11-14 | 2015-04-29 | 深圳市华星光电技术有限公司 | Method for resolving excess temperature of constant current driving chips and light-emitting diode (LED) lamp bar driving circuit |
US9265119B2 (en) | 2013-06-17 | 2016-02-16 | Terralux, Inc. | Systems and methods for providing thermal fold-back to LED lights |
US9332598B1 (en) | 2013-08-20 | 2016-05-03 | Ketra, Inc. | Interference-resistant compensation for illumination devices having multiple emitter modules |
USRE48955E1 (en) | 2013-08-20 | 2022-03-01 | Lutron Technology Company Llc | Interference-resistant compensation for illumination devices having multiple emitter modules |
US9360174B2 (en) | 2013-12-05 | 2016-06-07 | Ketra, Inc. | Linear LED illumination device with improved color mixing |
US9247605B1 (en) | 2013-08-20 | 2016-01-26 | Ketra, Inc. | Interference-resistant compensation for illumination devices |
US9345097B1 (en) | 2013-08-20 | 2016-05-17 | Ketra, Inc. | Interference-resistant compensation for illumination devices using multiple series of measurement intervals |
US9651632B1 (en) | 2013-08-20 | 2017-05-16 | Ketra, Inc. | Illumination device and temperature calibration method |
US9155155B1 (en) | 2013-08-20 | 2015-10-06 | Ketra, Inc. | Overlapping measurement sequences for interference-resistant compensation in light emitting diode devices |
USRE48956E1 (en) | 2013-08-20 | 2022-03-01 | Lutron Technology Company Llc | Interference-resistant compensation for illumination devices using multiple series of measurement intervals |
US9237620B1 (en) | 2013-08-20 | 2016-01-12 | Ketra, Inc. | Illumination device and temperature compensation method |
US9578724B1 (en) | 2013-08-20 | 2017-02-21 | Ketra, Inc. | Illumination device and method for avoiding flicker |
US9769899B2 (en) | 2014-06-25 | 2017-09-19 | Ketra, Inc. | Illumination device and age compensation method |
US9736895B1 (en) | 2013-10-03 | 2017-08-15 | Ketra, Inc. | Color mixing optics for LED illumination device |
CN104091570B (en) * | 2014-06-20 | 2016-10-19 | 京东方科技集团股份有限公司 | Backlight circuit and driving method, backlight module, display device |
US10161786B2 (en) | 2014-06-25 | 2018-12-25 | Lutron Ketra, Llc | Emitter module for an LED illumination device |
US9736903B2 (en) | 2014-06-25 | 2017-08-15 | Ketra, Inc. | Illumination device and method for calibrating and controlling an illumination device comprising a phosphor converted LED |
US9557214B2 (en) | 2014-06-25 | 2017-01-31 | Ketra, Inc. | Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time |
US9392663B2 (en) | 2014-06-25 | 2016-07-12 | Ketra, Inc. | Illumination device and method for controlling an illumination device over changes in drive current and temperature |
DE102014110719A1 (en) | 2014-07-29 | 2016-02-04 | Osram Opto Semiconductors Gmbh | Semiconductor device, lighting device and method for producing a semiconductor device |
US9392660B2 (en) | 2014-08-28 | 2016-07-12 | Ketra, Inc. | LED illumination device and calibration method for accurately characterizing the emission LEDs and photodetector(s) included within the LED illumination device |
US9510416B2 (en) | 2014-08-28 | 2016-11-29 | Ketra, Inc. | LED illumination device and method for accurately controlling the intensity and color point of the illumination device over time |
CN104535913B (en) * | 2015-01-12 | 2017-12-19 | 华南师范大学 | The heat testing method and test system of LED component with built-in temperature detection |
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US9237612B1 (en) | 2015-01-26 | 2016-01-12 | Ketra, Inc. | Illumination device and method for determining a target lumens that can be safely produced by an illumination device at a present temperature |
US10999976B2 (en) | 2017-09-19 | 2021-05-11 | Agnetix, Inc. | Fluid-cooled lighting systems and kits for controlled agricultural environments, and methods for installing same |
US10881051B2 (en) | 2017-09-19 | 2021-01-05 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus for controlled environment agriculture |
US11272599B1 (en) | 2018-06-22 | 2022-03-08 | Lutron Technology Company Llc | Calibration procedure for a light-emitting diode light source |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10201053A1 (en) * | 2001-01-16 | 2002-08-01 | Visteon Global Tech Inc | Series LED Hinterleuchtungsteuerschaltung |
DE10214447A1 (en) * | 2002-03-30 | 2003-10-16 | Hella Kg Hueck & Co | Control device for controlling electrical lamps and headlights with such a control device |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5278432A (en) * | 1992-08-27 | 1994-01-11 | Quantam Devices, Inc. | Apparatus for providing radiant energy |
JP2616489B2 (en) * | 1995-05-24 | 1997-06-04 | 日本電気株式会社 | Thermal monitoring sensor for on-board power supply |
DE19521326A1 (en) * | 1995-06-12 | 1996-12-19 | Bosch Siemens Hausgeraete | Method for temperature compensation of the measured values of a turbidity sensor in an automatic washing machine or dishwasher |
JP2697700B2 (en) * | 1995-08-18 | 1998-01-14 | 日本電気株式会社 | Temperature control type semiconductor laser device and temperature control method therefor |
US5805197A (en) * | 1995-12-28 | 1998-09-08 | Eastman Kodak Company | Driver IC with automatic token direction self-sensing circuitry |
US5936353A (en) * | 1996-04-03 | 1999-08-10 | Pressco Technology Inc. | High-density solid-state lighting array for machine vision applications |
DE69801648T2 (en) * | 1998-05-25 | 2002-04-18 | Alcatel Sa | Optoelectronic module with at least one optoelectronic component and method for temperature stabilization |
US20020100880A1 (en) * | 1999-10-15 | 2002-08-01 | Jin-Liang Chen | Apparatus for decelerating ion beams for reducing the energy contamination |
US6731665B2 (en) * | 2001-06-29 | 2004-05-04 | Xanoptix Inc. | Laser arrays for high power fiber amplifier pumps |
US6775308B2 (en) * | 2001-06-29 | 2004-08-10 | Xanoptix, Inc. | Multi-wavelength semiconductor laser arrays and applications thereof |
US6617795B2 (en) * | 2001-07-26 | 2003-09-09 | Koninklijke Philips Electronics N.V. | Multichip LED package with in-package quantitative and spectral sensing capability and digital signal output |
JP2005536835A (en) * | 2002-06-26 | 2005-12-02 | イノベーションズ イン オプティクス, インコーポレイテッド | High intensity illumination system |
US6859471B2 (en) * | 2002-10-30 | 2005-02-22 | Fibersense Technology Corporation | Method and system for providing thermal control of superluminescent diodes |
JP4124638B2 (en) * | 2002-12-16 | 2008-07-23 | 順一 島田 | LED lighting system |
US7465909B2 (en) * | 2003-01-09 | 2008-12-16 | Con-Trol-Cure, Inc. | UV LED control loop and controller for causing emitting UV light at a much greater intensity for UV curing |
JP4083593B2 (en) * | 2003-02-13 | 2008-04-30 | 株式会社小糸製作所 | Vehicle headlamp |
DE102005018175A1 (en) * | 2005-04-19 | 2006-10-26 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | LED module and LED lighting device with several LED modules |
-
2004
- 2004-09-30 DE DE102004047682A patent/DE102004047682A1/en not_active Ceased
-
2005
- 2005-09-09 WO PCT/DE2005/001582 patent/WO2006034668A2/en active Application Filing
- 2005-09-09 CN CN2009101178532A patent/CN101510546B/en not_active Expired - Fee Related
- 2005-09-09 EP EP05789566A patent/EP1800341A2/en not_active Withdrawn
- 2005-09-09 KR KR1020077009467A patent/KR20070053818A/en not_active Application Discontinuation
- 2005-09-09 CN CNB200580032859XA patent/CN100474583C/en not_active Expired - Fee Related
- 2005-09-09 US US11/575,899 patent/US20080061717A1/en not_active Abandoned
- 2005-09-09 JP JP2007533860A patent/JP2008515207A/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10201053A1 (en) * | 2001-01-16 | 2002-08-01 | Visteon Global Tech Inc | Series LED Hinterleuchtungsteuerschaltung |
DE10214447A1 (en) * | 2002-03-30 | 2003-10-16 | Hella Kg Hueck & Co | Control device for controlling electrical lamps and headlights with such a control device |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2066149A3 (en) * | 2007-11-27 | 2009-08-19 | Stefan Ruppel | Flat LED lights with heat-dispersing board, in particular for furniture |
EP2066149A2 (en) | 2007-11-27 | 2009-06-03 | Stefan Ruppel | Flat LED lights with heat-dispersing board, in particular for furniture |
WO2009077932A1 (en) * | 2007-12-17 | 2009-06-25 | Koninklijke Philips Electronics N.V. | Light emitting module and thermal protection method |
DE102007060767A1 (en) * | 2007-12-17 | 2009-06-25 | Sick Ag | Optical element e.g. positive lens, for use in opto-electronic sensor arrangement on e.g. flexprint, is provided with focal length of less than three millimeter and arranged before light emitter and/or light receptor |
EP2103483A3 (en) * | 2008-03-13 | 2010-07-07 | Koito Manufacturing Co., Ltd. | Vehicular headlamp |
US7993045B2 (en) | 2008-03-13 | 2011-08-09 | Koito Manufacturing Co., Ltd. | Vehicular headlamp |
EP2107295A3 (en) * | 2008-04-03 | 2010-09-08 | Steinel GmbH | Light device with LEDs |
DE102008017483A1 (en) * | 2008-04-03 | 2009-10-08 | Steinel Gmbh | A lighting device |
EP2107295A2 (en) | 2008-04-03 | 2009-10-07 | Steinel GmbH | Light device with LEDs |
DE102008057347A1 (en) * | 2008-11-14 | 2010-05-20 | Osram Opto Semiconductors Gmbh | Optoelectronic device |
WO2010121612A2 (en) | 2009-04-23 | 2010-10-28 | Lanz Ruediger | Motor vehicle front light having light-emitting diodes (leds) |
US8998453B2 (en) | 2009-05-26 | 2015-04-07 | Instrument Systems Optische Meβtechnik GmbH | Calibration light source |
NL2005418C2 (en) * | 2010-09-29 | 2012-04-02 | Europ Intelligence B V | Intrinsically safe led display. |
US9226361B2 (en) | 2010-09-29 | 2015-12-29 | European Intelligence B.V. | Intrinsically safe display device with an array of LEDs |
WO2013060868A1 (en) * | 2011-10-27 | 2013-05-02 | Epcos Ag | Led device with recessed components |
WO2013179075A1 (en) * | 2012-05-30 | 2013-12-05 | Elis Mantovani | Adaptive device for regulating the electric energy delivered on an actuator |
EP2869670A1 (en) * | 2013-10-25 | 2015-05-06 | Zumtobel Lighting GmbH | Light or light assembly |
Also Published As
Publication number | Publication date |
---|---|
WO2006034668A2 (en) | 2006-04-06 |
US20080061717A1 (en) | 2008-03-13 |
CN101061583A (en) | 2007-10-24 |
CN101510546B (en) | 2011-03-23 |
EP1800341A2 (en) | 2007-06-27 |
CN101510546A (en) | 2009-08-19 |
KR20070053818A (en) | 2007-05-25 |
JP2008515207A (en) | 2008-05-08 |
WO2006034668A3 (en) | 2006-11-02 |
CN100474583C (en) | 2009-04-01 |
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